2190288740 has 12 divisors (see below), whose sum is σ = 4599606396. Its totient is φ = 876115488.

The previous prime is 2190288739. The next prime is 2190288767. The reversal of 2190288740 is 478820912.

It can be written as a sum of positive squares in 2 ways, for example, as 947162176 + 1243126564 = 30776^2 + 35258^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54757199 + ... + 54757238.

It is an arithmetic number, because the mean of its divisors is an integer number (383300533).

Almost surely, 2^2190288740 is an apocalyptic number.

2190288740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190288740 is an abundant number, since it is smaller than the sum of its proper divisors (2409317656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2190288740 is a wasteful number, since it uses less digits than its factorization.

2190288740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109514446 (or 109514444 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 2190288740 is about 46800.5207235988. The cubic root of 2190288740 is about 1298.6749299141.

The spelling of 2190288740 in words is "two billion, one hundred ninety million, two hundred eighty-eight thousand, seven hundred forty".